Bye Bye, Root Canals? Lasers Could Replace Dentist's Drill

May 29, 2014 6:03 PM

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Bye Bye, Root Canals? Lasers Could Replace Dentist's Drill

Nobody likes having to undergo a root canal, but these painful procedures could soon be a thing of the past. The trick: laser light and stem cells.

Researchers at Harvard University found that exposing the cells on the inside of a tooth to weak laser light stimulates the growth of dentin, the substance that makes up much of a tooth's structure.

Also read: Genetically Modified Pigs Could Ease Organ Shortage

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